Nut-lock.



C. B. LAMB.

NUT LOOK.

APPLIOATION FILED FEB. 11, 1910.

Patented Jan. 10, 1911 wayfmfllam shown in) device applied. to locking nuts on eient and simple device which will prevent .loek is in place. and which can be readily ing upon their belts. Fig.

iug device.

CLAZCEGN B. LAMB, 9F LOS' ANGELES, CALIFORNIA,

NUT-LOCK.

Specification of Letters Patent.

Patented Jan. M 1911.

Application filed February 11, 1910. Serial No. 543,212.

To all whom ii may conoem.

Ee it known that I, CLAYTON Lawn, a citizen of the United States, residing in the city of Los Angeles, county of Los Angeles, State of California, have invented new and useful Improvenieuts in Nut-Locks, of which the following is a specification.

My invention. relates to that class of nut locks in which a portion of the washer provides the lock to prevent the nut turning and the object thereof is to produce an ellithe not from turning on the bolt when the locked and unlocked without the use of special tools for that purpose.

In the drawin s accompanying this application and for]- ing a part thereof, l have a railway and shall describe it herein as applied. to that purpose.

F' we 1 is a, perspective View ol a raill way rail joint with my iuuproved locking de vice in position to secure the nuts from turnis a horizontal section of a portion of the parts shown in Fig. 1 taken on the line oi? Fig. 1. l" 3 is vertical section of a portion of a rail joint, the rail fish plate and a part of the washer being in section and the washer tongue and bolt and nut being in elevation. Fig. 4 is a perspmative of my improved lock-- in the drawi'u s and 6 are the abutting ends of two railway rails which are secured together by means of the fish plates 7 and R, bolts 9 and 10. and the nuts 11. and 12.

My improved not lock consists of the plate 15-5 having an aperture let therethrough which is easily passed over the bolt upon which it is used and tongue l5. Seine portion of the plate is shaped to engage a fixed part and thcrebydoe prevented from turning on the bolt. In the d-awings l lave shown the lower portion 13 of the. body engaging the base flanges 5 and o of the rails. Integral with the body and proje ting therefrom is a locking tongue 15 which is of a width to snugly it when positioned t'or use between (he er ln'o oi the nut and the fixed part, and thereby inlerpose a non-couipressible part brtween the two, which will absolutely prevent the nut from turning on the bolt. The plate and tongue are preferably Formed of solt steel or other metal of sutlicient elas:

ticity to permit the tongue to be bent repeatedly withou breaking. l

llhen my uuproved nut look is .con-

struclcd for use on railway rails I prefer fish plate when the end of the tongue'can. be

readily struck with the wrench and bent tt lie between the corner of the nut and the base flange ot' the rail. The point at which the tongue is tact with, and not passed over by the nut, as it'is roi'aled on the bolt, so that when it is desired to lake the nut oil the bolt, the tongue need not be bent back of a vertical posit ion, thereby prolonging its life and usefulness. I have found in practice extending over many months, that such a conslrmtion when the tongue is bent as shown in the drawings, forms a safe and efiicient llhi'h". 13y bending the tongue as shown in l ig. alof the drawing, when the lock is prepared for use, it prevents the user from accidentally putting on the lock in the wrong position, as the end of the tongue iuust project away from the rail when it is n'nerly positioned, and be adjacent to the thereof. To lock the nut by the use of my improved nut lock, the same is used as a washer between the nut and fish plate with the tongue as shown in dotted lines in Fig. 2. The nut screwed upon the bolt until the lower side thereof is parallel with the base of the-rail when finally adjusted. \Vith the Wrench the tongue is then bent so that it passes below the advancing corner of the nut and the base of the rail when turning'to unscrew the nut, thereby presenting a noncompresuible material between the nut and the base of the rail, thus absolutely preventing the nut from turning on the bolt. It will be understood that in this construction the bolt is provided with a right hand thread. By inter-posing a tongue between the edge of the nut and the base of the rail, lighter niatcrial can be used in the consl rl'icl ion of the nut lock than could be used if the tongue was relied upon entirely to prevent the r0tation of the nut on the bolt, because the base of'the rail forms a support for the tongue and arcvents it from ivin awa When a e .V

bent should be clear of con made of light material; When it is desired to remove the nut the tongue can be bent outwardly a suflicient distance to permit the nut to clear it without injury thereto, thus permitting its use many times if desired. v \Vhat I claim is: l. A nut lock consisting of a plate having an aperture therethrough, said aperture constituting a bolt hole, said plate having some portion of the body'thereof of the shape to engage a fixed part, and thereby be prevented from turning on the bolt, and a tongue projecting from the body of the plate and being of a width to snugly fit between the nutand the fixed part when an edge of the nut isbrought parallel to the fixed part, and the tongueis bent to lie between the nut and the fixed part, said tongue commencing at a point of the body not engaged or passed over by the nut when being screwed into place.

2. A railway nut lock comprising in com- 'bination railway rails, fish plates, bolts and nuts, with an elastic metallic washer having an aperture therethrough threaded upon the bolt between the nut and the fish plate, and havingthe lower edge of the body thereof engaging the base" of the rail. and having a tongue projecting from the lower left hand corner, said tongue being of a width to snugly lie between the base of the rail and the lower edge of the nut when in place and parallel to the base of the rail when such tongue is bent to the proper position.

3. A nut lock washer consisting of a plate provided with abolt hole and a bearing edge, a tongue extension integral with the body of the plate and of a Width to fit snugly between a side of'the nut and the base of the rail when the nut is positioned for use with the side thereof parallel to the base of the rail and the end of the tongue is bent to lie beneath the nut, one edge of said tongue being an extension of the bearing edge, the outer end of the tongue being angularly'bent to the plane of the body before being positioned for use.

In witness that I claim the foregoing I have hereunto subscribed my name this 5th day of February, 1910.

CLAYTON B. LAMB.

\Vitnesses G. l). llimrnaiii, S. 13. Answer. 

